CN102915715B - Display frame adjusting method and device - Google Patents
Display frame adjusting method and device Download PDFInfo
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- CN102915715B CN102915715B CN201210384458.2A CN201210384458A CN102915715B CN 102915715 B CN102915715 B CN 102915715B CN 201210384458 A CN201210384458 A CN 201210384458A CN 102915715 B CN102915715 B CN 102915715B
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- clock signal
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3696—Generation of voltages supplied to electrode drivers
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0242—Compensation of deficiencies in the appearance of colours
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/08—Details of image data interface between the display device controller and the data line driver circuit
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/14—Use of low voltage differential signaling [LVDS] for display data communication
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention discloses a display frame adjusting method and a display frame adjusting device, which are used for solving the problem that the power consumption of a screen is increased caused by reducing the Greenish phenomenon of a liquid crystal display screen and reducing the opening ratio of a panel in the prior art. The display frame adjusting method comprises the following steps: in the embodiment of the invention, receiving a first clock signal for controlling a green pixel data line voltage signal and receiving a second clock signal for controlling a red pixel data line voltage signal and a blue pixel data line voltage signal; and making the high-level pulse width of the first clock signal be less than the high-level pulse width of the second clock signal. With the adoption of the technical scheme, the Greenish phenomenon of the liquid crystal display screen can be effectively reduced by performing minor adjustment on a liquid crystal display screen circuit in the prior art, the circuit structure of the liquid crystal display screen and the opening ratio of the panel are not influenced, and the problem that the power consumption of the screen is increased when the Greenish phenomenon is reduced is effectively solved.
Description
Technical field
The present invention relates to display technique field, relate in particular to a kind of display frame method of adjustment and device.
Background technology
Along with the continuous maturation of lcd technology, and the price advantage of LCDs, adopt display screen or the ornamental electronic display unit of LCDs as various electronic in life, become gradually a kind of developing direction of LCDs consumption.The LCDs of prior art has been widely used in various electrical equipment, as LCD TV, mobile phone etc.
LCDs is under specific display frame, and the phenomenon that has color greening is that Greenish phenomenon occurs.Consult and Figure 1 shows that in prior art, data-signal sequential chart in red pixel, green pixel and blue pixel, in figure, wherein three kinds of colored pixels data line voltage signal sequence figures are identical, and on the high level of three kinds of colored pixels data line voltage signals, pulse width is identical.Due to the feature of green pixel itself, make human eye more responsive compared to Red and blue light to green glow, therefore, in Fig. 1, in the identical situation of high level pulse width of three kinds of colored pixels data line voltage signals, still there is Greenish phenomenon in the image that human eye is seen.Consult macro-effect figure corresponding to data-signal sequential chart in three kinds of colored pixels that Figure 2 shows that Fig. 1, the order of severity of the digitized representation Greenish phenomenon in Fig. 2, numeral is larger, represents that Greenish phenomenon is more serious.In addition, due to the special apperceive characteristic of human eye to green glow, when LCDs is in Greenish pattern or Flicker pattern, the green glow that Human Perception arrives will be more strong, consult and Figure 3 shows that in prior art in Greenish pattern or Flicker(flicker) actual test obtains under pattern chromaticity coordinates correlation values.Consult and Figure 4 shows that the electrical block diagram of realizing three kinds of colored pixels data line voltage signal sequences variations in prior art.Consult and Figure 5 shows that in foregoing circuit structure, three kinds of colored pixels data line voltage signals are subject to single clock signal control sequential chart.
Greenish phenomenon produce former because: under general display frame, under in to the process of printed circuit board wiring, may exist common electric voltage Vcom not placed in the middle, thereby cause Vcom spread of voltage, cause the variation of the voltage of the Vcom that data-signal causes not cancel out each other, thereby the brightness that causes green pixel increases, and causes the generation of Greenish phenomenon.
In prior art, the method that solves Greenish phenomenon is: by increasing the area of Vcom, can make resistance in circuit reduce, voltage stabilization; Or adopt Matrix Vcom (matrix common electric voltage) structure, the mode that adopts a public electrode that is positioned at high order end to connect on original many Vcom lines parallel to each other, changes into grid format, has effectively stablized voltage.Above-mentioned two kinds of modes all reduce Greenish phenomenon by changing printed circuit board wiring method, adopt technique scheme can reduce the aperture opening ratio of LCDs, make power consumption of screen become large.
summary of the invention
The embodiment of the present invention provides a kind of display frame method of adjustment and device, in order to solve in prior art, exist in reducing LCDs Greenish phenomenon, reduce panel aperture opening ratio, thus the problem that power consumption of screen is increased.
The concrete technical scheme that the embodiment of the present invention provides is as follows:
A kind of display frame method of adjustment, comprising:
Receive the first clock signal for controlling green pixel data line voltage signal, and receive the second clock signal for controlling red pixel data line voltage signal and blue pixel data line voltage signal;
The high level pulse width that makes described the first clock signal be described second clock signal high level pulse width 2/3～4/5.
A kind of display frame adjusting gear, comprising:
Receiving element, for receiving the first clock signal for controlling green pixel data line voltage signal, and receives the second clock signal for controlling red pixel data line voltage signal and blue pixel data line voltage signal;
Processing unit, for make the high level pulse width of described the first clock signal be described second clock signal high level pulse width 2/3～4/5.
In the embodiment of the present invention, receive the first clock signal for controlling green pixel data line voltage signal, and receive the second clock signal for controlling red pixel data line voltage signal and blue pixel data line voltage signal; Make the high level pulse width of above-mentioned the first clock signal be less than the high level pulse width of above-mentioned second clock signal.Adopt technique scheme, by the time shorten in high level by green pixel data line, make the pixel voltage on green pixel be less than the pixel voltage in red and blue pixel, like this just offset human eye to green sensitivity, thereby visually reached equal color display effect; The above-mentioned Greenish phenomenon of LCDs circuit of the prior art being done certain control and can effectively be reduced LCDs, do not affect LCDs circuit structure and panel aperture opening ratio, when effectively reducing Greenish phenomenon, increase the problem of power consumption of screen.
Brief description of the drawings
Fig. 1 is three kinds of colored pixels data line voltage signal timing diagrams in prior art;
Fig. 2 is the macro-effect figure corresponding to Fig. 1 data-signal sequential chart in prior art;
Fig. 3 be in prior art under different mode three kinds of color chromaticity coordinates correlation values;
Fig. 4 realizes the electrical block diagram that three kinds of colored pixels data line voltage signal sequences change in prior art;
Fig. 5 be in prior art in circuit three kinds of colored pixels data line voltage signals be subject to single clock signal control sequential chart;
Fig. 6 is display frame adjusting gear structural representation in the embodiment of the present invention;
Fig. 7 is display frame method of adjustment process flow diagram in the embodiment of the present invention;
Fig. 8 adjusts rear three kinds of colored pixels data line voltage signal timing diagrams in the embodiment of the present invention;
Fig. 9 is that in the embodiment of the present invention, three kinds of colored pixels data line voltage signals are subject to different clocks signal controlling sequential chart;
Figure 10 realizes the electrical block diagram that three kinds of colored pixels data line voltage signal sequences change in the embodiment of the present invention.
Embodiment
For solve in prior art, exist in reducing LCDs Greenish phenomenon, the problem that power consumption of screen increases.The embodiment of the present invention provides a kind of display frame method of adjustment, the method comprises: receive the first clock signal for controlling green pixel data line voltage signal, and receive the second clock signal for controlling red pixel data line voltage signal and blue pixel data line voltage signal; Make the high level pulse width of above-mentioned the first clock signal be less than the high level pulse width of above-mentioned second clock signal.
Adopt technique scheme, by the time shorten in high level by green pixel data line, make the pixel voltage on green pixel be less than the pixel voltage in red and blue pixel, like this just offset human eye to green sensitivity, thereby visually reached equal color display effect; Technique scheme is done certain control and can effectively reduce the Greenish phenomenon of LCDs to LCDs circuit, do not affect LCDs circuit structure and panel aperture opening ratio, when effectively reducing Greenish phenomenon, increase the problem of power consumption of screen.
Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is elaborated.
Consult shown in Fig. 6, in the embodiment of the present invention, display frame adjusting gear comprises receiving element 60, processing unit 61, wherein,
Receiving element 60, for receiving the first clock signal for controlling green pixel data line voltage signal, and receives the second clock signal for controlling red pixel data line voltage signal and blue pixel data line voltage signal;
Processing unit 61, for making the high level pulse width of above-mentioned the first clock signal be less than the high level pulse width of above-mentioned second clock signal.
Based on technique scheme, to consult shown in Fig. 7, in the embodiment of the present invention, the detailed process that display frame is adjusted is as follows:
Step 700: receive the first clock signal for controlling green pixel data line voltage signal, and receive the second clock signal for controlling red pixel data line voltage signal and blue pixel data line voltage signal.
In the manufacturing process of LCDs, printed board circuit is connected with display frame control device, and display frame control device receives the first clock signal and the second clock signal that printed circuit board (PCB) sends.Wherein, above-mentioned the first clock signal control green pixel data line voltage signal, second clock signal controlling red pixel data line voltage signal and blue pixel data line voltage signal.And the cycle of the first clock signal equates with the corresponding duration of one-period of second clock signal, the first clock signal high level signal reference position is identical with second clock signal high level signal reference position.The magnitude of voltage of the high level that the magnitude of voltage of high level corresponding to above-mentioned the first clock signal is corresponding with second clock signal is completely equal.
Step 710: make the high level pulse width of above-mentioned the first clock signal be less than the high level pulse width of above-mentioned second clock signal.
In prior art, adopt three kinds of colored pixels data line voltage signals of single clock signal control, establish in prior art herein, the high level pulse width of above-mentioned single clock signal is t.In the technology of the present invention embodiment, receive two clock signals that printed board circuit sends, i.e. the first clock signal and second clock signal.If the high level pulse width of the first clock signal is t1, the high level pulse width of second clock signal is t2, and t1 and t2 are also unequal, and wherein, the high level pulse width t1 of the first clock signal is less than the high level pulse width t2 of second clock signal.Preferably, t1=(2/3 ~ 4/5) t2, and t1=t.
The first clock signal and second clock signal are controlled respectively different colours pixel data line voltage signal, wherein, the high level pulse width of clock signal is corresponding with the high level pulse width of different colours pixel data line voltage signal, due to t1=(2/3 ~ 4/5) t2, in embodiments of the present invention, the high level pulse width of green pixel data line voltage signal equals (2/3 ~ 4/5) of the high level pulse width of red pixel data line voltage signal or blue pixel data line voltage signal.Adopt above-mentioned preferably technical scheme, can only change the high level pulse width of the clock signal of controlling green pixel data line voltage signal, and need not change clock signal high level and the low level magnitude of voltage of control without colored pixels data line voltage signal, on to the basis of circuit modification minimum, realize the effect that reduces Greenish phenomenon.
In the embodiment of the present invention, while adopting preferably technical scheme, in the time of t1<2/3*t2, due to the high level pulse width of red pixel data line voltage signal and blue pixel data line voltage signal, differ larger with the high level pulse width of green pixel voltage signal, when three kinds of colored pixels data line voltage signal input display panel inside, present in picture process when three kinds of colored pixels data line voltage signals are synthetic at screen, easily cause screen-picture color partially red or partially blue.
In the embodiment of the present invention, while adopting preferably technical scheme, in the time of t1>4/5*t2, due to the high level pulse width of red pixel data line voltage signal and blue pixel data line voltage signal, differ less with the high level pulse width of green pixel voltage signal, when three kinds of colored pixels data line voltage signal input display panel inside, present in picture process when three kinds of colored pixels data line voltage signals are synthetic at screen, easily cause screen-picture color partially green, still have Greenish phenomenon to a certain degree.
After consulting and Figure 8 shows that in the embodiment of the present invention circuit structure is adjusted, three kinds of colored pixels data line voltage signal timing diagrams, the sequential chart in Fig. 8 is the situation of change of three kinds of colored pixels data line voltage signals under perfect condition.Be under perfect condition, the sequential chart of three kinds of colored pixels data line voltage signals is one group of standard square-wave pulse.
Consult shown in Fig. 9, in side circuit, the pulse of standard square-wave signal is the approximate square-wave pulse that comprises rising edge and negative edge.In Fig. 9, the control of three kinds of colored pixels data line voltage signal subject clock signals, wherein, the first clock signal clk 1 is controlled green pixel data line voltage signal, second clock signal CLK2 controls red pixel data line voltage signal and blue pixel data line voltage signal, LV0 and LV3 are red pixel data line voltage signal, and LV1 and LV4 are green pixel data line voltage signal, and LV2 and LV5 are blue pixel data line voltage signal.
As shown in Figure 9, the first clock signal clk 1 is controlled green pixel data line voltage signal LV1 and LV4, second clock signal CLK2 controls red pixel data line voltage signal LV0 and LV3, and second clock signal CLK2 controls blue pixel data line voltage signal LV2 and LV5.
In the embodiment of the present invention, the high level pulse width t1 of the first clock signal clk 1 is less than the high level pulse width t2 of second clock signal CLK2, the low level pulse width t3 of the first clock signal clk 1 is greater than the low level pulse width t4 of second clock signal CLK2, and the first clock signal clk 1 is identical with total duration of second clock signal CLK2 one-period, be t1+t3==t2+t4, the first clock signal is completely corresponding with the high level reference position in each cycle of second clock signal.
Therefore, consult shown in Fig. 9, under the effect of the first clock signal clk 1, the high level pulse width of green pixel data line voltage signal LV1 and LV4 is less than the high level pulse width of red pixel data line voltage signal LV0 and LV3, and the high level pulse width of blue pixel data line voltage signal LV2 and LV5.And, from the relation of the first clock signal clk 1 and second clock signal CLK2, the low level pulse width of green pixel line voltage signal LV1 and LV4 is greater than the low level pulse width of red pixel data line voltage signal LV0 and LV3, and the low level pulse width of blue pixel data line voltage signal LV2 and LV5.Green pixel data line voltage signal LV1 and LV4, red pixel data line voltage signal LV0 and LV3, total duration of the one-period of blue pixel data line voltage signal LV2 and LV5 is identical.Adopt technical solution of the present invention, less to circuit structure transformation, by adopt programming mode in preprocessing process, the total duration of the one-period of a clock signal is not changed, only change high level and the low level pulse width of this clock signal, can realize the effective control to certain colored pixels data line signal, effectively reduce Greenish phenomenon.
Consulting shown in Figure 10, is the circuit structure diagram in the embodiment of the present invention, and wherein, MODE0/1 represents charge share control end; PWRC represents output amplifier control end; POL, POL2 represents polarity inversion signal end; VGMA1 ~ VGMA18 represents GTG control signal end; LD represents data output control terminal; DATAPOL represents data polarity reversion end; SEL1/2 represents output channel data selection end; PAIR represents differential signal input end; P_SEL represents that half because of entirely because of selecting side; POLC represents reversal of poles control end; BDI represents black data control end; YDIO represents frame start signal end; LV0P/N ~ LV5P/N represents Low Voltage Differential Signal end; CLKPN1 ~ 2 represent clock signal terminal; DIO1/DIO2 represents data input/output signal end; SHL represents shift LD signal end; VCC represents power input; GND represents earth terminal; VDDA represents analog power input signal end; VMID_H/VMID_L represents half pressure side; GNDA represents earth terminal; Shieiding_GND represents earth terminal; OutputBuffer is output buffer; DAC is digital to analog converter; DATA LATCH is data locks.OutputBuffer, DAC is that digital to analog converter and DATA LATCH are the device of display panel inside.
Consult Figure 10 known, in the embodiment of the present invention, clock signal control shades of colour pixel data line voltage signal single in prior art is improved to the first clock signal and two different clock signals of second clock signal, and the first clock signal is identical with above-mentioned single clock signal, the high level pulse width of the first clock signal is less than the high level pulse width of second clock signal.
In the embodiment of the present invention, on hardware, only the chip to Figure 10 is transformed, and increases a clock control pin or the function of the pin for subsequent use in prior art chips is changed, and makes to comprise in this chip two clock signal pins.By control chip on printed circuit board (PCB) is arranged, the function that increases pin is further limited, make the high level pulse width of the first clock signal of being exported by this pin reach preset value.Through clock signal control shades of colour pixel data line voltage signal, make the high level pulse width of green pixel data line voltage signal be less than the high level pulse width of red pixel data line voltage signal and the high level pulse width of blue pixel data line voltage signal.Above-mentioned shades of colour pixel data line voltage signal after adjusting will be sent to respectively display panel inside, after display panel is synthetic, present normal picture.
In sum, in the embodiment of the present invention, receive the first clock signal for controlling green pixel data line voltage signal, and receive the second clock signal for controlling red pixel data line voltage signal and blue pixel data line voltage signal; Make the high level pulse width of above-mentioned the first clock signal be less than the high level pulse width of above-mentioned second clock signal.Adopt technique scheme, by the time shorten in high level by green pixel data line, make the pixel voltage on green pixel be less than the pixel voltage in red and blue pixel, like this just offset human eye to green sensitivity, thereby visually reached equal color display effect; Technique scheme is done certain control and can effectively reduce the Greenish phenomenon of LCDs to LCDs circuit, do not affect LCDs circuit structure and panel aperture opening ratio, when effectively reducing Greenish phenomenon, increase the problem of power consumption of screen.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (6)
1. a display frame method of adjustment, is characterized in that, comprising:
Receive the first clock signal for controlling green pixel data line voltage signal, and receive the second clock signal for controlling red pixel data line voltage signal and blue pixel data line voltage signal;
The high level pulse width that makes described the first clock signal be described second clock signal high level pulse width 2/3～4/5.
2. the method for claim 1, is characterized in that, also comprises:
Make the magnitude of voltage of the high level of described the first clock signal equate with the magnitude of voltage of the high level of described second clock signal.
3. method as claimed in claim 1 or 2, is characterized in that, after the described high level pulse width that makes described the first clock signal is less than the step of high level pulse width of described second clock signal, described method also comprises:
Make described the first clock signal show by the green pixel of controlling on described green pixel data line voltage signal controlling display panel, make described second clock signal show by the red pixel of controlling on described red pixel data line voltage signal controlling display panel, make described second clock signal show by the blue pixel on display panel described in the control of the described blue pixel data line voltage signal of control.
4. a display frame adjusting gear, is characterized in that, comprising:
Receiving element, for receiving the first clock signal for controlling green pixel data line voltage signal, and receives the second clock signal for controlling red pixel data line voltage signal and blue pixel data line voltage signal;
Processing unit, for make the high level pulse width of described the first clock signal be described second clock signal high level pulse width 2/3～4/5.
5. device as claimed in claim 4, is characterized in that, described processing unit, is further used for:
Make the magnitude of voltage of the high level of described the first clock signal equate with the magnitude of voltage of the high level of second clock signal.
6. the device as described in claim 4 or 5, is characterized in that, described processing unit, is further used for:
Make described the first clock signal show by the green pixel of controlling on described green pixel data line voltage signal controlling display panel, make described second clock signal show by the red pixel of controlling on described red pixel data line voltage signal controlling display panel, make described second clock signal show by the blue pixel on display panel described in the control of the described blue pixel data line voltage signal of control.
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| CN201210384458.2A CN102915715B (en) | 2012-10-11 | 2012-10-11 | Display frame adjusting method and device |
| US14/051,738 US9818365B2 (en) | 2012-10-11 | 2013-10-11 | Method and device for adjusting a display picture |
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| CN201210384458.2A CN102915715B (en) | 2012-10-11 | 2012-10-11 | Display frame adjusting method and device |
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| CN102915715B true CN102915715B (en) | 2014-11-26 |
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| KR102183564B1 (en) * | 2014-04-23 | 2020-11-27 | 삼성디스플레이 주식회사 | Display device and manufacturing method thereof |
| CN104680997B (en) * | 2015-03-16 | 2017-10-17 | 京东方科技集团股份有限公司 | A kind of VCOM compensation circuits and display device |
| US10600213B2 (en) * | 2016-02-27 | 2020-03-24 | Focal Sharp, Inc. | Method and apparatus for color-preserving spectrum reshape |
| TWI632538B (en) * | 2017-09-05 | 2018-08-11 | 友達光電股份有限公司 | Displaying device and driving method |
| TWI643175B (en) * | 2018-03-06 | 2018-12-01 | 友達光電股份有限公司 | Micro led display panel and driving method |
| CN210429262U (en) | 2019-10-10 | 2020-04-28 | 北京京东方显示技术有限公司 | Display panel driving circuit, display panel and display device |
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| US8102350B2 (en) * | 2006-03-30 | 2012-01-24 | Lg Display Co., Ltd. | Display device and driving method thereof |
| US8004743B2 (en) * | 2006-04-21 | 2011-08-23 | Qualcomm Mems Technologies, Inc. | Method and apparatus for providing brightness control in an interferometric modulator (IMOD) display |
| KR20090033727A (en) * | 2007-10-01 | 2009-04-06 | 삼성전자주식회사 | Apparatus for driving led dot matrix and driving method thereof |
| CN101320552A (en) * | 2008-07-02 | 2008-12-10 | 友达光电股份有限公司 | Semi-data driving element drive method of LCD device |
| KR101556778B1 (en) * | 2008-08-20 | 2015-10-06 | 삼성디스플레이 주식회사 | Liquid crystal display apparatus and method of driving the same |
| US20120249422A1 (en) * | 2011-03-31 | 2012-10-04 | Smart Technologies Ulc | Interactive input system and method |
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| US20140104322A1 (en) | 2014-04-17 |
| US9818365B2 (en) | 2017-11-14 |
| CN102915715A (en) | 2013-02-06 |
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